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Algorithms 2015, 8(4), 870-894; doi:10.3390/a8040870

Code Synchronization Algorithm Based on Segment Correlation in Spread Spectrum Communication

1
School of Electrical Engineering, Heilongjiang University, Harbin 150800, China
2
Department of Information and Communication System, Hohai University, Changzhou 213022, China
*
Authors to whom correspondence should be addressed.
Academic Editor: Jun-Bao Li
Received: 30 June 2015 / Revised: 20 September 2015 / Accepted: 23 September 2015 / Published: 9 October 2015
(This article belongs to the Special Issue Machine Learning Algorithms for Big Data)

Abstract

Spread Spectrum (SPSP) Communication is the theoretical basis of Direct Sequence Spread Spectrum (DSSS) transceiver technology. Spreading code, modulation, demodulation, carrier synchronization and code synchronization in SPSP communications are the core parts of DSSS transceivers. This paper focuses on the code synchronization problem in SPSP communications. A novel code synchronization algorithm based on segment correlation is proposed. The proposed algorithm can effectively deal with the informational misjudgment caused by the unreasonable data acquisition times. This misjudgment may lead to an inability of DSSS receivers to restore transmitted signals. Simulation results show the feasibility of a DSSS transceiver design based on the proposed code synchronization algorithm. Finally, the communication functions of the DSSS transceiver based on the proposed code synchronization algorithm are implemented on Field Programmable Gate Array (FPGA). View Full-Text
Keywords: direct sequence spread spectrum; spread spectrum; code synchronization; segment correlation; FPGA direct sequence spread spectrum; spread spectrum; code synchronization; segment correlation; FPGA
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Li, A.; Yang, Z.; Qi, R.; Zhou, F.; Han, G. Code Synchronization Algorithm Based on Segment Correlation in Spread Spectrum Communication. Algorithms 2015, 8, 870-894.

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